<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="js/jquery-3.6.0.js" type="text/javascript"></script>
	</head>
	<body>
		<script type="text/javascript">
			//扩展jQuery对象本身
			$.extend({
				myFn: function() {
					console.log("扩展的方法");
				}
			})

			$.myFn();
		</script>
	</body>
</html>
